What was the average force exerted on a 44 kg ojbect if the inital velocity was 7 m/s, the final velocity was 2 m/s and t was exerted for 4.5 s. leave no spaces between units and the answer. no decimals.

Why do electron microscopes have higher resolving power than light microscopes?

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?